Multiplex communications – Communication over free space – Using atm as a wireles protocol
Reexamination Certificate
2007-07-17
2007-07-17
Chan, Wing (Department: 2616)
Multiplex communications
Communication over free space
Using atm as a wireles protocol
C370S466000, C370S469000, C370S395600, C370S395510
Reexamination Certificate
active
10265374
ABSTRACT:
A data translation apparatus is between a base station using an Internet protocol (IP) and a cell controller using an asynchronous transfer mode (ATM) data in a mobile communication system. The apparatus includes a plurality of line interface devices for performing a data connection with the cell controller, a physical layer processor for performing a physical layer process on a data received through the line interface device, a universal test and operations physical layer protocol interface for ATM (UTOPIA) switch for performing a switching process for translating and transmitting ATM data received from a cell controller and data received from an IP base station, a data translator for translating data to be transmitted to the UTOPIA switch into asynchronous transfer mode adaptation layer 0 (AAL0) data, and for translating data to be transmitted to the IP base station into Ethernet data, a plurality of repeaters for transceiving data between the IP base station and the data translator, a UTOPIA mapper for performing a UTOPIA interface on the data from the UTOPIA switch, a layer converter for converting the data from the UTOPIA interface to AAL0 layer or AAL2 layer data, and a controller for controlling operations of the layer converter, the UTOPIA mapper, and the UTOPIA switch.
REFERENCES:
patent: 5936949 (1999-08-01), Pasternak et al.
patent: 6018521 (2000-01-01), Timbs et al.
patent: 6646983 (2003-11-01), Roy et al.
Bushnell , Esq. Robert E.
Chan Wing
Chu Wutchung
Samsung Electronics Co,. Ltd.
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